== sanity test 124b: lru resize (performance test) ================================================================================= 04:59:31 (1780390771)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2428 (time 1780390783.84 total 10.00 last 242.72)
 - open/close 5139 (time 1780390793.85 total 20.01 last 271.05)
 - open/close 7332 (time 1780390803.85 total 30.01 last 219.22)
total: 8000 open/close in 32.75 seconds: 244.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 400
400
 - unlinked 0 (time 1780390888 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3476 (time 1780390914.99 total 10.00 last 347.56)
 - open/close 6150 (time 1780390924.99 total 20.00 last 267.38)
total: 8000 open/close in 28.17 seconds: 283.96 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 54 seconds
lru_size = 4006
4001
ls -la is 29% faster with lru resize enabled
 - unlinked 0 (time 1780390995 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second